Overview
The STM32L151RBH6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It is based on the ARM Cortex-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed for low-power applications and integrates a range of features including high-speed embedded memories, extensive I/Os, and advanced communication interfaces. The device is suitable for various applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | STM32L151RBH6TR |
| Manufacturer | STMicroelectronics |
| Core Processor | ARM Cortex-M3 |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Operating Temperature | -40°C to 85°C (up to 105°C in low power dissipation state) |
| Supply Voltage | 1.8V to 3.6V |
| Maximum Speed | 32 MHz |
| Number of I/Os | 51 |
| ADC | 12-bit, up to 24 channels |
| DAC | 2 channels, 12-bit with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 6 general-purpose 16-bit timers, 2 basic timers, 2 watchdog timers |
| Communication Interfaces | USB 2.0, 3 USARTs, 2 SPIs, 2 I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | 64-TFBGA (5x5 mm) |
Key Features
- Ultra-low-power platform with multiple power-saving modes.
- High-performance ARM Cortex-M3 32-bit RISC core operating at up to 32 MHz.
- High-speed embedded memories: up to 128 Kbytes Flash, up to 16 Kbytes RAM, and up to 4 Kbytes EEPROM.
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators.
- Advanced communication interfaces: USB 2.0, USART, SPI, and I2C.
- Up to 20 capacitive sensing channels for touch sensing functionality.
- Real-time clock and backup registers.
- Memory protection unit (MPU) and reset and supply management.
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds.
- Programmable voltage detector (PVD) and clock sources including crystal oscillators and internal RC oscillators.
Applications
- Low-power consumer electronics.
- Industrial control and automation.
- Medical devices requiring low power consumption.
- Smart home devices and IoT applications.
- Automotive systems where low power is critical.
- Portable and battery-powered devices.
Q & A
- What is the core processor of the STM32L151RBH6TR?
The core processor is the ARM Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151RBH6TR?
The maximum operating frequency is up to 32 MHz.
- What are the memory specifications of the STM32L151RBH6TR?
The device has up to 128 Kbytes of Flash memory, up to 16 Kbytes of RAM, and up to 4 Kbytes of EEPROM.
- What are the key analog peripherals of the STM32L151RBH6TR?
The key analog peripherals include a 12-bit ADC, 12-bit DAC, and 2 ultra-low-power comparators.
- What communication interfaces are available on the STM32L151RBH6TR?
The device features USB 2.0, 3 USARTs, 2 SPIs, and 2 I2Cs.
- What is the operating temperature range of the STM32L151RBH6TR?
The operating temperature range is -40°C to 85°C (up to 105°C in low power dissipation state).
- What is the supply voltage range for the STM32L151RBH6TR?
The supply voltage range is 1.8V to 3.6V.
- How many capacitive sensing channels does the STM32L151RBH6TR support?
The device supports up to 20 capacitive sensing channels.
- What is the package type of the STM32L151RBH6TR?
The package type is 64-TFBGA (5x5 mm).
- Is the STM32L151RBH6TR RoHS compliant?
Yes, the STM32L151RBH6TR is RoHS compliant.
- What are some typical applications of the STM32L151RBH6TR?
Typical applications include low-power consumer electronics, industrial control, medical devices, smart home devices, and automotive systems.
